Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

hal/common/I2CSlave.cpp@1:d96dbedaebdb, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:54:50 2016 +0000
Revision:
1:d96dbedaebdb
Parent:
0:6c56fb4bc5f0 
Removed extra directories for other platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 /* mbed Microcontroller Library
nexpaq 0:6c56fb4bc5f0 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 0:6c56fb4bc5f0 3 *
nexpaq 0:6c56fb4bc5f0 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 0:6c56fb4bc5f0 5 * you may not use this file except in compliance with the License.
nexpaq 0:6c56fb4bc5f0 6 * You may obtain a copy of the License at
nexpaq 0:6c56fb4bc5f0 7 *
nexpaq 0:6c56fb4bc5f0 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 0:6c56fb4bc5f0 9 *
nexpaq 0:6c56fb4bc5f0 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 0:6c56fb4bc5f0 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 0:6c56fb4bc5f0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 0:6c56fb4bc5f0 13 * See the License for the specific language governing permissions and
nexpaq 0:6c56fb4bc5f0 14 * limitations under the License.
nexpaq 0:6c56fb4bc5f0 15 */
nexpaq 0:6c56fb4bc5f0 16 #include "I2CSlave.h"
nexpaq 0:6c56fb4bc5f0 17
nexpaq 0:6c56fb4bc5f0 18 #if DEVICE_I2CSLAVE
nexpaq 0:6c56fb4bc5f0 19
nexpaq 0:6c56fb4bc5f0 20 namespace mbed {
nexpaq 0:6c56fb4bc5f0 21
nexpaq 0:6c56fb4bc5f0 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
nexpaq 0:6c56fb4bc5f0 23 i2c_init(&_i2c, sda, scl);
nexpaq 0:6c56fb4bc5f0 24 i2c_frequency(&_i2c, 100000);
nexpaq 0:6c56fb4bc5f0 25 i2c_slave_mode(&_i2c, 1);
nexpaq 0:6c56fb4bc5f0 26 }
nexpaq 0:6c56fb4bc5f0 27
nexpaq 0:6c56fb4bc5f0 28 void I2CSlave::frequency(int hz) {
nexpaq 0:6c56fb4bc5f0 29 i2c_frequency(&_i2c, hz);
nexpaq 0:6c56fb4bc5f0 30 }
nexpaq 0:6c56fb4bc5f0 31
nexpaq 0:6c56fb4bc5f0 32 void I2CSlave::address(int address) {
nexpaq 0:6c56fb4bc5f0 33 int addr = (address & 0xFF) | 1;
nexpaq 0:6c56fb4bc5f0 34 i2c_slave_address(&_i2c, 0, addr, 0);
nexpaq 0:6c56fb4bc5f0 35 }
nexpaq 0:6c56fb4bc5f0 36
nexpaq 0:6c56fb4bc5f0 37 int I2CSlave::receive(void) {
nexpaq 0:6c56fb4bc5f0 38 return i2c_slave_receive(&_i2c);
nexpaq 0:6c56fb4bc5f0 39 }
nexpaq 0:6c56fb4bc5f0 40
nexpaq 0:6c56fb4bc5f0 41 int I2CSlave::read(char *data, int length) {
nexpaq 0:6c56fb4bc5f0 42 return i2c_slave_read(&_i2c, data, length) != length;
nexpaq 0:6c56fb4bc5f0 43 }
nexpaq 0:6c56fb4bc5f0 44
nexpaq 0:6c56fb4bc5f0 45 int I2CSlave::read(void) {
nexpaq 0:6c56fb4bc5f0 46 return i2c_byte_read(&_i2c, 0);
nexpaq 0:6c56fb4bc5f0 47 }
nexpaq 0:6c56fb4bc5f0 48
nexpaq 0:6c56fb4bc5f0 49 int I2CSlave::write(const char *data, int length) {
nexpaq 0:6c56fb4bc5f0 50 return i2c_slave_write(&_i2c, data, length) != length;
nexpaq 0:6c56fb4bc5f0 51 }
nexpaq 0:6c56fb4bc5f0 52
nexpaq 0:6c56fb4bc5f0 53 int I2CSlave::write(int data) {
nexpaq 0:6c56fb4bc5f0 54 return i2c_byte_write(&_i2c, data);
nexpaq 0:6c56fb4bc5f0 55 }
nexpaq 0:6c56fb4bc5f0 56
nexpaq 0:6c56fb4bc5f0 57 void I2CSlave::stop(void) {
nexpaq 0:6c56fb4bc5f0 58 i2c_stop(&_i2c);
nexpaq 0:6c56fb4bc5f0 59 }
nexpaq 0:6c56fb4bc5f0 60
nexpaq 0:6c56fb4bc5f0 61 }
nexpaq 0:6c56fb4bc5f0 62
nexpaq 0:6c56fb4bc5f0 63 #endif